Fig. 14; Eliminating Faults - Festo VPEV-1/8-M12 Instrucciones De Utilizacion

VPEV-1/8-M12
7 Care and maintenance
S
If the VPEV-... is dirty, clean the exterior with a soft cloth.
All non-abrasive agents may be used for cleaning.
In order to compensate for fluctuations in the switching point after a high number
of switching cycles,
S
you should repeat the procedure for setting the switching point (see "Commis-
sioning").
8 Accessories
Designation
Threaded connector
Connection socket

Fig. 14

9

Eliminating faults

Fault
VPEV-... does not
switch
No switching signal
Fig. 15
Festo 0007NH– English
Type
QS-..., CK-...., CN-...
SIM-M12-4...
SIE-GD-...
SIE-WD-TR-...
Possible cause
Switching point too high
Hysteresis too large
Switch defective
Connection fault
Remedy
Modify switching point setting
(see "Commissioning")
Modify hysteresis setting (see
"Commissioning")
Return VPEV-... to Festo
Check the electrical connec-
tion of the VPEV-...
20